July the 13th,200l _______ a very bright night in Beijing that will never fade from memory.
There was a terrible noise __________ the sudden burst of light.
—On my part, we'd better invite some of our school friends from other grades to our party.
—Do you mind if I use your dictionary? —__________.
The first textbooks __________ for teaching English as a foreign language came out in the 16th century.
—Could you tell me where the Sleeping Beauty Castle is? —__________.